Every adventurer in Level Up: Advanced 5th Edition has a Prestige rating. Prestige is a rating of how famous (or infamous) a character is. Adventurers start play with a Prestige of 0 and gain Prestige when moving to new tiers of play at levels 5, 11, and 17, when acquiring strongholds, and from accomplishing great deeds during play.
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All About Prestige — Level Up: Advanced 5th Edition (A5E)
Prestige is a rating of how famous (or infamous) a character is.